Accelerating techniques for sparse regularization based tomography reconstruction.
Liyan WangZhihui WeiShouhua LuoPublished in: ICDIP (2013)
Keyphrases
- image reconstruction
- compressed sensing
- tomographic reconstruction
- inverse problems
- compressive sensing
- limited angle
- discrete tomography
- signal reconstruction
- reconstructed image
- structured sparsity
- sparsity regularization
- regularized least squares
- iterative reconstruction
- reconstruction process
- elastic net
- mixed norm
- binary matrices
- super resolution
- sparse representation
- rank minimization
- image processing
- high dimensional
- sparse approximation
- regularization method
- radon transform
- random projections
- sparse data
- regularization methods
- phase unwrapping
- prior information
- sparsity constraints
- sparse reconstruction
- three dimensional
- reconstruction method
- high resolution
- fan beam
- shape recovery
- relaxation algorithm
- reproducing kernel hilbert space